77872800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:551

約数の個数: 144

約数和(自身を含む): 257608512

約数和(自身を除く): 179735712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 71, 75, 80, 96, 100, 120, 142, 150, 160, 200, 213, 240, 284, 300, 355, 400, 426, 457, 480, 568, 600, 710, 800, 852, 914, 1065, 1136, 1200, 1371, 1420, 1704, 1775, 1828, 2130, 2272, 2285, 2400, 2742, 2840, 3408, 3550, 3656, 4260, 4570, 5325, 5484, 5680, 6816, 6855, 7100, 7312, 8520, 9140, 10650, 10968, 11360, 11425, 13710, 14200, 14624, 17040, 18280, 21300, 21936, 22850, 27420, 28400, 32447, 34080, 34275, 36560, 42600, 43872, 45700, 54840, 56800, 64894, 68550, 73120, 85200, 91400, 97341, 109680, 129788, 137100, 162235, 170400, 182800, 194682, 219360, 259576, 274200, 324470, 365600, 389364, 486705, 519152, 548400, 648940, 778728, 811175, 973410, 1038304, 1096800, 1297880, 1557456, 1622350, 1946820, 2433525, 2595760, 3114912, 3244700, 3893640, 4867050, 5191520, 6489400, 7787280, 9734100, 12978800, 15574560, 19468200, 25957600, 38936400, 77872800]

約数ペア:

[(1, 77872800), (2, 38936400), (3, 25957600), (4, 19468200), (5, 15574560), (6, 12978800), (8, 9734100), (10, 7787280), (12, 6489400), (15, 5191520), (16, 4867050), (20, 3893640), (24, 3244700), (25, 3114912), (30, 2595760), (32, 2433525), (40, 1946820), (48, 1622350), (50, 1557456), (60, 1297880), (71, 1096800), (75, 1038304), (80, 973410), (96, 811175), (100, 778728), (120, 648940), (142, 548400), (150, 519152), (160, 486705), (200, 389364), (213, 365600), (240, 324470), (284, 274200), (300, 259576), (355, 219360), (400, 194682), (426, 182800), (457, 170400), (480, 162235), (568, 137100), (600, 129788), (710, 109680), (800, 97341), (852, 91400), (914, 85200), (1065, 73120), (1136, 68550), (1200, 64894), (1371, 56800), (1420, 54840), (1704, 45700), (1775, 43872), (1828, 42600), (2130, 36560), (2272, 34275), (2285, 34080), (2400, 32447), (2742, 28400), (2840, 27420), (3408, 22850), (3550, 21936), (3656, 21300), (4260, 18280), (4570, 17040), (5325, 14624), (5484, 14200), (5680, 13710), (6816, 11425), (6855, 11360), (7100, 10968), (7312, 10650), (8520, 9140)]